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How to set selected value of jquery select2?
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Html:
<select id="lang" >
<option value="php">php</option>
<option value="asp">asp</option>
<option value="java">java</option>
</select>
JavaScript:
$("#lang").select2().select2('val','asp');
jsfiddle
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Linux: compute a single hash for a given folder & contents?
...ernel tree, for example, is less practical than a single hash. ls -lAgGR --block-size=1 --time-style=+%s | sha1sum works great for me
– yashma
Aug 21 '18 at 2:26
add a comment...
Are parallel calls to send/recv on the same socket valid?
...cuted in parallel -- in the case of multiple sends, the second will likely block until the first completes. You probably won't notice this much, as a send completes once its put its data into the socket buffer.
If you're using SOCK_STREAM sockets, trying to do things a parallel is less likely to b...
What's the best way to unit test protected & private methods in Ruby?
...You may want to redefine the methods as protected again in an after(:each) block or suffer spooky test failures in the future.
– Pathogen
Oct 27 '15 at 19:15
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How can I change a file's encoding with vim?
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thank you! Apache was outputting utf-8, so was php, so the browser said, so vim said with set encoding, and still the pages showed mangled characters that were alright as iso-8859-1. using set fileencoding showed a pretty 'Latin1'
– Adriano Varoli Pi...
Git: How to return from 'detached HEAD' state
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warning: unable to unlink web/sites/default/default.settings.php: Permission denied
... other warnings ...
Note: checking out '1.87.1'.
You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
st...
Sleep in JavaScript - delay between actions
...t's more useful than the loop and compare Date.now(). Nobody what to use a blocked loop the implement sleep.
– Li Chunlin
Aug 10 '17 at 16:01
2
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SqlDataAdapter vs SqlDataReader
...nq queries (or, at least one query) on a datareader. Just use an iterator block to yield return the DataReader cast as an IDataRecord inside your while (reader.Read()) loop.
– Joel Coehoorn
Nov 4 '09 at 21:57
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Ruby ampersand colon shortcut [duplicate]
...nd there's :foo.
The & calls to_proc on the object, and passes it as a block to the method. In Rails, to_proc is implemented on Symbol, so that these two calls are equivalent:
something {|i| i.foo }
something(&:foo)
Also, to_proc on Symbol is implemented in Ruby 1.8.7 and 1.9, so it is in f...
CSS “color” vs. “font-color”
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Example:
.element {
color: green;
background: red;
display: block;
width: 200px;
height: 200px;
padding: 0;
margin: 0;
}
.innerElement1 {
border: solid 10px;
display: inline-block;
width: 60px;
height: 100px;
margin: 10px;
}
.innerElement2 {
backg...